Great Lakes Water Quality Laboratory, Inc.
Great Lakes Water Quality Laboratory, Inc.
6461 Sunset Drive
Lake Ann, MI 49650

Phone: (231) 275-7382
Email: office@greatlakeswaterlab.net

Business Hours:
Monday 8AM–5PM
Tuesday 8AM–5PM
Wednesday 8AM–5PM
Thursday 8AM–5PM
Friday 8AM–5PM
Saturday 9AM–2PM
Sunday Closed